Optimizing intrinsic cocatalyst activity and light absorption efficiency for efficient hydrogen evolution of 1D/2D ReS2-CdS photocatalysts via control of ReS2 nanosheet layer growth DOI Open Access
Ghufran Aulia Bin Azizar, Jong Wook Hong

Journal of Material Science and Technology, Journal Year: 2023, Volume and Issue: 168, P. 103 - 113

Published: June 29, 2023

Language: Английский

Ultrathin 2D Alloyed Cu−Ga−Zn−S Curved Nanobelts for Boosting Visible‐Light Photocatalytic Hydrogen Evolution DOI
Yu Li, Mengmeng Ma, Yi Ding

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(45)

Published: May 28, 2024

Abstract 2D semiconductor nanomaterials have received significant attention as photocatalysts for solar‐to‐hydrogen conversion due to their robust light absorption capacity, large specific surface area, and superior electron transport characteristics. Nevertheless, it is challenging develop quaternary copper‐based sulfides (QCSs) with functional integration of conducive structural features photocatalysis from multiple elements intricate control conditions. Herein, ultrathin alloyed Cu−Ga−Zn−S (CGZS) curved nanobelts (NBs) are fabricated by using a facile one‐pot colloidal method. Subsequently, the derived Cu 31 S 16 ‐CGZS Janus heterostructures designed increasing concentrations. The formation mechanism alloys systematically investigated. Without cocatalysts, CGZS NBs demonstrated photocatalytic activities 1264.2 µmol g −1 h compared heterostructured −CGZS (463.1 ) under visible (> 400 nm). Experimental theoretical results unveiled that improved can be attributed enhanced charge–carrier separation efficiency resulting high crystallinity structure, abundant active sites high‐active (0001) crystal facet lowest reaction Gibbs energy, work function, metal‐like properties. This offers new insights into QCSs visible‐light performance.

Language: Английский

Citations

9
Inducing Cu Charge Redistribution by Modulating Proximity with Zr(OH)4 for Selective Synthesis of Imines and Secondary Amines with Stoichiometric Benzyl Alcohol and Nitrobenzene DOI
Jie Song,

Chunxia Che,

Yiwei Dai

et al.

ACS Catalysis, Journal Year: 2025, Volume and Issue: unknown, P. 1170 - 1181

Published: Jan. 6, 2025

The one-pot synthesis of amines from benzyl alcohol (BA) and nitrobenzene (NB) represents a step-economic method. However, reported works typically require more than 3 equiv BA to complete the transfer hydrogenation NB, few studies can achieve selective imines secondary amines. In our previous work, Zr(OH)4 demonstrated both dehydrogenation capabilities. Building on this, another component Cu was introduced enhance its catalytic performance for catalyzing coupling reaction between stoichiometric NB under H2 atmosphere. physical hybrid catalyst + selectively produced imines, while supported Cu/Zr(OH)4 yielded Characterization mechanism experiments revealed that modulating proximity leads (1) different adsorption abilities N-benzylideneaniline (NBA) (2) interactions in close contact, which stabilized electronic structure forming Cu+/Cu0 ion pairs with strong activation ability. This work presents design strategy offers an approach preparation N-benzylaniline.

Language: Английский

Citations

1
Synergistic roles of platinum nanoparticles and sodium ions within beta zeolites in N-alkylation of amines with aromatic alcohols DOI
Yue Wu, Shibo Xi, Cailing Chen

et al.

Science China Chemistry, Journal Year: 2023, Volume and Issue: 66(9), P. 2690 - 2699

Published: Aug. 9, 2023

Language: Английский

Citations

21
Recent advances in the heterogeneous photochemical synthesis of C–N bonds DOI
Jinming Wang, Yichang Liu, Xupeng Zong

et al.

Green Chemistry, Journal Year: 2023, Volume and Issue: 25(13), P. 5010 - 5023

Published: Jan. 1, 2023

Photocatalyst has been developed as an effective tool for C–N coupling due to high selectivity, mild reaction conditions and low energy comsume.

Language: Английский

Citations

17
Stabilizing and Activating Active Sites: 1T‐MoS2 Supported Pd Single Atoms for Efficient Hydrogen Evolution Reaction DOI
Lu Zhao, Shaojie Liang, Li Zhang

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: June 1, 2024

Abstract Metallic 1T‐MoS 2 with high intrinsic electronic conductivity performs Pt‐like catalytic activity for hydrogen evolution reaction (HER). However, obtaining pure is challenging due to its formation energy and metastable properties. Herein, an in situ SO 4 2− ‐anchoring strategy reported synthesize a thin layer of loaded on commercial carbon. Single Pd atoms, constituting substantial loading 7.2 wt%, are then immobilized the 1T‐phase MoS via Pd─S bonds modulate structure ensure stable active phase. The resulting 1 /1T‐MoS /C catalyst exhibits superior HER performance, featuring low overpotential 53 mV at current density 10 mA cm −2 , small Tafel slope 37 dec −1 minimal charge transfer resistance alkaline electrolyte. Moreover, also demonstrates efficacy acid neutral electrolytes. Atomic structural characterization theoretical calculations reveal that attributed near‐zero adsorption activated sulfur sites two adjacent shells atomic Pd.

Language: Английский

Citations

8
Constructing Pd and Cu Crowding Single Atoms by Protein Confinement to Promote Sonogashira Reaction DOI

Qin‐Ying Zhao,

Xudong Zhao,

Zhiyi Liu

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: July 16, 2024

For multicenter-catalyzed reactions, it is important to accurately construct heterogeneous catalysts containing multiple active centers with high activity and low cost, which more challenging compared homogeneous because of the spatial confinement in loaded state. Herein, a convenient protein strategy reported locate Pd Cu single atoms crowding state on carbon coated alumina for promoting Sonogashira reaction, most powerful method constructing acetylenic moiety molecules. The single-atomic take advantage not only maximized atomic utilization but also much-enhanced performance by facilitating activation aryl halides alkynes. Their locally crowded dispersion brings them closer each other, facilitates transmetallation process acetylide intermediates between them. Thus, reaction drove smoothly obtained catalyst turnover frequency value 313 h

Language: Английский

Citations

8
Advancing Heterogeneous Organic Synthesis With Coordination Chemistry‐Empowered Single‐Atom Catalysts DOI

Bo‐Chao Ye,

Wenhao Li, Xia Zhang

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 18, 2024

Abstract For traditional metal complexes, intricate chemistry is required to acquire appropriate ligands for controlling the electron and steric hindrance of active centers. Comparatively, preparation single‐atom catalysts much easier with more straightforward effective accesses arrangement control The presence coordination atoms or neighboring functional on supports' surface ensures stability single‐atoms their interactions individual substantially regulate performance Therefore, collaborative interaction between surrounding environment enhances initiation reaction substrates formation transformation crucial intermediate compounds, which imparts significant catalytic efficacy, rendering them a valuable framework investigating correlation structure activity, as well mechanism in organic reactions. Herein, comprehensive overviews both homogeneous complexes reactions are provided. Additionally, reflective conjectures about advancement synthesis also proposed present reference later development.

Language: Английский

Citations

7
Ag-Doped ZnIn2S4 Nanosheets on Hollow Co9S8 Polyhedral Nanocages as Photocatalysts for Enhanced Hydrogen Production and Pollutant Reduction DOI

Yanting Dou,

Bobo Bai, Jiqi Zheng

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(5), P. 5192 - 5201

Published: Feb. 28, 2024

The effective combination of two metallic sulfides to form a heterojunction and regulate semiconductor structure can significantly improve the response photocatalysts under visible light. In this study, we have successfully grown Ag-doped ZnIn2S4 nanosheets randomly on carefully designed hollow Co9S8 polyhedral nanocages construct Co9S8/Ag:ZnIn2S4 heterojunction. optimized 1.0 wt % heterostructure shows excellent activity with H2 generation rate 1947.7 μmol g–1 h–1, which is 1.58 times greater than Ag:ZnIn2S4 (1232.0 h–1). However, pure has narrow band gap but almost no in light due fast photogenerated carrier recombination rate. degradation trend methyl orange (MO) all as-prepared samples same as that hydrogen production. compound mass fraction fastest completely degrade MO within 16 min. addition, also shown long-term stability after 20 photocatalytic evolution cycle experiments, respectively. This work highlights significance improving performance by modulating morphology semiconductors constructing heterostructures.

Language: Английский

Citations

6
Simultaneous and efficient utilization of photogenerated electrons and holes: a case of single-atom Pd-anchored CdS twins DOI
Yuan Tang,

Zhongfei Xu,

Yan Sun

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: unknown

Published: Jan. 1, 2024

Single-atom Pd is successfully anchored on to CdS x twins maximize the transfer and utilization of photogenerated electrons holes for efficient coupled reactions photocatalytic hydrogen evolution pyruvate synthesis.

Language: Английский

Citations

6
Visible-light driven H2 evolution coupled with furfuryl alcohol selective oxidation over Ru atom decorated Zn0.5Cd0.5S nanorods DOI
Fan Yang, Shengqiang Liu,

Ting Tang

et al.

Catalysis Science & Technology, Journal Year: 2023, Volume and Issue: 13(8), P. 2469 - 2474

Published: Jan. 1, 2023

Ru decorated Zn 0.5 Cd S nanorods are synthesized, exhibiting excellent photocatalytic activity of furfuryl alcohol oxidation coupled with H 2 evolution.

Language: Английский

Citations

14